Cheapest one-way flights from Dallas-Fort Worth to London in September from $255

AirHint found the following cheapest one-way flights from Dallas-Fort Worth (DFW) to London (LHR) in September 2025 (see full year).

One-Way flights

30 Sep Spirit Airlines
21 Sep Spirit Airlines
27 Sep Spirit Airlines
26 Sep Frontier Airlines
11 Sep Spirit Airlines
08 Sep Spirit Airlines
07 Sep Spirit Airlines
22 Sep Frontier Airlines
15 Sep Spirit Airlines
13 Sep Frontier Airlines

Also check the deals for return flights from Dallas-Fort Worth to London in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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